Date = 

ADDCOLUMNS(

           CALENDAR(   MIN(vw_QS_MetricsDashboard_ClassManagement[Class_SessionDate]),

                       MAX( vw_QS_MetricsDashboard_ClassManagement[Class_SessionDate])

),

            "DateAsInteger", FORMAT ( [Date], "YYYYMMDD" ),

"Year", YEAR ( [Date] ),

"Monthnumber", FORMAT ( [Date], "MM" ),

"YearMonthnumber", FORMAT ( [Date], "YYYY/MM" ),

"YearMonthShort", FORMAT ( [Date], "YYYY/mmm" ),

"MonthNameShort", FORMAT ( [Date], "mmm" ),

"MonthNameLong", FORMAT ( [Date], "mmmm" ),

"DayOfWeekNumber", WEEKDAY ( [Date] ),

"DayOfWeek", FORMAT ( [Date], "dddd" ),

"Week Number", WEEKNUM ( [Date] ),

"Week Start Date" , [Date]-WEEKDAY([Date],1)+1,

"Week end" ,[Date] + 7 - WEEKDAY([Date],1),

"For the Week",FORMAT([Date]-WEEKDAY([Date],1)+1,"m/d") & "-" & FORMAT([Date] + 7 - WEEKDAY([Date],1),"m/d"),

"Week Number and Year", "W" & WEEKNUM ( [Date] ) & " " & YEAR ( [Date] ),

"WeekYearNumber", YEAR ( [Date] ) & 100 + WEEKNUM ( [Date] ),

"DayOfWeekShort", FORMAT ( [Date], "ddd" ),

"Quarter", "Q" & FORMAT ( [Date], "Q" ),

"YearQuarter", FORMAT ( [Date], "YYYY" ) & "/Q" & FORMAT ( [Date], "Q" )

)

GIF 1

Create a date table and enter the DAX query from above.

GIF 2

Go to transform data and change the Class_SessionDate data type to date.

2. Create Refresh table